<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <script type="text/javascript">

            function on_success(position) {
                console.log("geolocation permission granted");
            }

            function on_error(error) {
                switch(error.code) {
                    case error.PERMISSION_DENIED:
                        console.log("geolocation permission denied");
                        break;
                    case error.POSITION_UNAVAILABLE:
                        console.log("geolocation position unavailable (ignored)");
                        break;
                    default:
                        console.log("[FAIL] geolocation error " + error.code +
                                    ": " + error.message);
                        break;
                }
            }

            function get_location() {
                if ("geolocation" in navigator) {
                    navigator.geolocation.getCurrentPosition(on_success, on_error);
                } else {
                    console.log("[SKIP] geolocation unavailable");
                }
            }
        </script>
    </head>
    <body>
        <input type="button" onclick="get_location()" value="Get position" id="button">
    </body>
</html>
